Hi all, new to the forum.

A few mates are riding snowdon in April, I’m currently running High roller 2’s.

my question is, what 650b tyres are the best for this sort of riding, they need to be tubeless.

Thanks in advance

High rollers will be fine,
Tubeless always better but you’ll want at least exo casing, especially if you are doing rangers
If you want to buy new tyres it’s hard to see past chunky monkeys as far as vfm and decent performance goes

Chunky monkeys, cheap as chips and perfect for big rocky rides.